Topics

1

General / Errors while developing SFML Platformer engine

« on: February 26, 2017, 07:45:21 pm »

So I've been following this guy with his tutorial on 2D platformer
https://youtu.be/T6o5OlgsCew?t=185
And when you see him compiling for first time, he gets the animation, but for me I get some errors:

main.cpp:176:62: error: no matching function for call to 'Animation::Tick(time_t (__attribute__((__cdecl__)) &)(time_t*))'

stl_map.h:504:59: error: no matching function for call to 'Animation::Animation()'


The whole class looks like this:

// Animation class
class Animation
{
public:
    std::vector<IntRect> Frames, Frames_flip;
    float CurrentFrame, Speed;
    bool Flip, IsPlaying;
    Sprite sprite;

    Animation(Texture &t, int x, int y, int w, int h, int Count, float speed, int Step)
    {
        Speed = speed;
        sprite.setTexture(t);

        CurrentFrame = 0;
        IsPlaying = true;
        Flip = false;


        for (int i = 0; i < Count; i++)
        {
            Frames.push_back( IntRect(x+i*Step,y,w,h));
            Frames_flip.push_back( IntRect(x+i*Step+w,y,-w,h));
        }
    }


    void Tick(float Time)
    {
        if (!IsPlaying) return;

        CurrentFrame += Speed * Time;

        if (CurrentFrame> Frames.size())
            CurrentFrame -= Frames.size();


        int i = CurrentFrame;

        sprite.setTextureRect( Frames[i] );
        if (Flip) sprite.setTextureRect( Frames_flip[i] );

    }

};

// Animation Manager Class
class AnimationManager
{
public:
    String CurrentAnim;

    std::map<String, Animation> animList;

    AnimationManager()
    {

    }

    void Create(String Name, Texture &t, int x, int y, int w, int h, int Count, float Speed, int Step)
    {
        animList[Name] = Animation(t,x,y,w,h,Count,Speed,Step);
        CurrentAnim = Name;
    }


    void Draw(RenderWindow &window, int x = 0, int y = 0)
    {
        animList[CurrentAnim].sprite.setPosition(x,y);
        window.draw(animList[CurrentAnim].sprite);
    }

    void Set(String name) { CurrentAnim = name; }

    void flip (bool b) { animList[CurrentAnim].Flip = b; }

    void tick(float Time) {animList[CurrentAnim].Tick(time); }

    void pause () {animList[CurrentAnim].IsPlaying = false;}

    void play () {animList[CurrentAnim].IsPlaying = true;}
};

 

So yeah, what's exactly going on here? Should I show the full code at some point?

2

System / Game states and OOP

« on: January 27, 2017, 03:53:13 am »

It's been a little while since I last came here.
I've followed many interesting tutorials and made simple games, like tetris and snake... anyways.
I've started to make a small project I hope to get some money with  as I need to eat too.
But well after few hours of coding I run into some problems. I'll start with easier one.
For some reason I cannot store a value within a function, what I mean is I want to do something like this:

Main Class:
// Main
int main()
{
    // Create the main window
    RenderWindow app(VideoMode(256, 160), "coolgame");

    while (app.isOpen())
    {
        Event event;
        while (app.pollEvent(event))
        {
            if (event.type == sf::Event::Closed)
                app.close();
        }

         DrawingClass()::Draw(app);

}

return 0;
}



and here would be the drawing class

DrawingClass::Draw(RenderWindow window)
{
        // Clear screen
        window.clear();

        // Draw the sprite
        window.draw(cutie);

        // Update the window
        window.display();
}

I get an error:
no match for call to '(sf::Sprite) ()'



So uhh.... how do I make this work?

Other thing when I try to work with enums to change the game state, I.E. playing or menu, I don't really make it work out nice. I've searched several tutorials and all that but nope.

What I want to do each time I switch states. I want to load data and unload data I won't use.
Save specific data in a file and then read the data from the file for next state or when person wants to play the game other time, well like high score I want to save.

Right now that's all I can think off what to say.
Thank you for your help!

3

General / Newly Compiled sfml not working.(SOLVED)

« on: January 08, 2017, 12:46:19 am »

I bid hello to this great community, it's nice to be in such a great place, will make sure to share my new sfml projects with you guys!!!! But sadly I cannot do that yet because.....

I had found out that so I can work with sfml 2.4.1, I must recompile it with CMake and Code::Blocks, the IDE I'm using. The compiling process was successful, but once I wanted to set up the project the fun started....
I had to face 50 errors first. Now I have reduced them to 5.
Here are the errors!

-------------- Build: Debug in Aurelium (compiler: GNU GCC Compiler)---------------

mingw32-g++.exe -L"D:\Projects\C++\SFML Games\SFML\SFML-2.4.1\lib" -o bin\Debug\Aurelium.exe obj\Debug\main.o   -lsfml-graphics-s-d -lsfml-window-s-d -lsfml-system-s-d -lglew -lfreetype -ljpeg -lopenal32 -lopengl32 -mwindows
C:/Program Files/CodeBlocks/MinGW/bin/../lib/gcc/mingw32/4.9.2/../../../../mingw32/bin/ld.exe: cannot find -lglew
C:/Program Files/CodeBlocks/MinGW/bin/../lib/gcc/mingw32/4.9.2/../../../../mingw32/bin/ld.exe: cannot find -lfreetype
C:/Program Files/CodeBlocks/MinGW/bin/../lib/gcc/mingw32/4.9.2/../../../../mingw32/bin/ld.exe: cannot find -ljpeg
C:/Program Files/CodeBlocks/MinGW/bin/../lib/gcc/mingw32/4.9.2/../../../../mingw32/bin/ld.exe: cannot find -lopenal32
collect2.exe: error: ld returned 1 exit status
Process terminated with status 1 (0 minute(s), 1 second(s))
5 error(s), 0 warning(s) (0 minute(s), 1 second(s)) 0 second(s)

The compiler itself works fine, I said Hello to the world and it was fine.
Now, here are my linkers:
https://www.dropbox.com/s/u4tmzgr5dhcdba6/linkers.PNG?dl=0

I am grateful for your help, and hope to have the solution to this problem to be done pretty soon.